vRealize Orchestrator (vRO/vCO) – Troubleshooting SOAP operations

Recently, I’ve had a bit of a SOAP baptism of fire – the project I am working on makes hundreds of SOAP calls to multiple SOAP APIs on multiple hosts. During this time I’ve encountered some common and rare problems and troubleshooting them seems to be a bit of a black art, if the number of results in Google is any measure.

To demonstrate some of these troubleshooting methods I will use a global weather SOAP service, http://www.webservicex.com/globalweather.asmx?WSDL. I’ve added the web service to vRO using the “Add a SOAP host” workflow, and then used the “Generate a new workflow from a SOAP operation” workflow to create a new workflow: GetWeather. This simple workflow runs successfully: